Red Widow Spiders (Latrodectus bishopi), although endemic to Florida, live in a limited range. Red Widow Spiders can be found in Lake Wales Ridge and other Central and Southern Florida areas. The Spider lives in sand pine scrub habitats and makes its homes in palmettos and other shrubs. Red Widow Spiders are listed as a Threatened Species due to the destruction of habit.
A Red Widow will bind together palmetto leaves with silk to mate, hide, and guard her eggs. The egg sac, which is smooth and white, is deposited inside the silk-lined rolled frond. She binds the tips of the palmetto fronds, and her web becomes invisible during the day. The web can only be seen on foggy mornings.
The web looks like a cobweb sheet with snare lines. An insect will fly into the snares and fall to the sheet. The Spider will rush out to retrieve her prey. She will eat insects of all kinds caught in the web but primarily feasts on beetles endemic to the area in the spring. Bees and wasps are favorites during the rest of the year. Although the male is capable of hunting his own prey, he will most often eat the prey provided by the female.
The Red Widow’s abdomen is black with red dots bordered with yellow. Its head, legs, and thorax are red-orange. The female is 1/2 an inch with a leg span of 1/2 to 2 inches. The male is 1/3 to 1/2 the size of the female.
Although the female’s venom is a neurotoxin that causes sustained muscle spasms, very few bites and no deaths have been attributed to the Red Widow Spider. These spiders are rarely encountered and only bite when touched. Wear gloves when lifting firewood or picking up wood and other items in areas where spiders may be living. Red Widows have been known to make their homes in sheds and garages. If a Red Widow Spider bites you, seek medical attention.
Photo Credit: freshfromflorida.com/es/
